diff --git a/Shape_detection/include/CGAL/Shape_detection/Region_growing/internal/fitting.h b/Shape_detection/include/CGAL/Shape_detection/Region_growing/internal/fitting.h
index dc786d9cde0..5018ce64a0a 100644
--- a/Shape_detection/include/CGAL/Shape_detection/Region_growing/internal/fitting.h
+++ b/Shape_detection/include/CGAL/Shape_detection/Region_growing/internal/fitting.h
@@ -17,6 +17,7 @@
 #include <CGAL/license/Shape_detection.h>
 
 #include <CGAL/Eigen_diagonalize_traits.h>
+#include <CGAL/property_map.h>
 
 namespace CGAL {
 namespace Shape_detection {